arrhythmias Flashcards

(9 cards)

1
Q

polymorphic ventricular tachycardia

A

torsardes de points!
- can deteriorate into ventricular fibrillation

assoc with long QT

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2
Q

causes of long QT !

A

amiodarone
tricyclic antidepress
antipsychotics
cholorquine
erythromicin/azithromycin
hypo-calcaemia/kalaemia/magnesaemia

myocarditis
hypothermia
subarachnoid haemorrhage

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3
Q

management of torsade de points

A

IV magnesium sulphate

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4
Q

what drug should NOT be used in ventricular tachycardia

A

verapamill !!!

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5
Q

what comes first VT or VF

A

VT has the potential to precipitate VFib

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6
Q

types of VT

A

monomorphic = mostly caused by MI

polymorphic = torsades

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7
Q

management of SVT

A

vagal maneouvres
carotid sinus massage

IV adenosine, rapid bolus of 6mg
- if unsuccessful give 12mg
- if still unsuccess give further 18mg

DC cardioversion

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8
Q

management of SVT in asthmatics

A

cant give adenosine !!!

  • give verapamil
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9
Q

prevention of SVT episodes

A

betablockers
radiofrequency ablation
- AV nodal reentry tachycardia

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